درگاهی, عبداله ، رحیم زاده, هادی ، وثوقی, مهدی ، مختاری, سیداحمد (1400) تجزیه الکتروکاتالیستی پیشرفته 2،4-Dinitrophenol (2،4-DNP) در فرآیند سه بعدی سونو الکتروشیمیایی (3D/SEC) مجهز با الکترودهای ذرات نانوکامپوزیتی Fe/SBA-15: مسیر تخریب و کاربرد برای فاضلاب واقعی. Arabian Journal of Chemistry ــ 15 (5). ص.ص.655-675. شاپا 1878-5352
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عنوان انگليسی
Enhanced electrocatalytic degradation of 2,4-Dinitrophenol (2,4-DNP) in three-dimensional sono-electrochemical (3D/SEC) process equipped with Fe/SBA-15 nanocomposite particle electrodes:Degradation pathway and application for real wastewater
خلاصه انگلیسی
2,4-dinitrophenol (2,4-DNP), which is a nitrophenol compound, is a carcinogenic and non-biodegradable pollutant, which is found at high concentrations in industrial wastewater. Degradation of 2,4-DNP using a three-dimensional sono-electrochemical (3D/SEC) process equipped with G/β-PbO2 anode and Fe/SBA-15 nanocomposite particle electrodes was evaluated in the present study. Investigating the effect of parameters including pH, electrolysis time, current density, and 2,4-DNP concentration on the performance of the 3D/SEC-Fe-SBA-15 process in 2,4-DNP degradation was considered, and optimization of these parameters was done using the Taguchi design technique. Field emission scanning electron microscopy (FESEM), X-ray diffraction analysis (XRD), energy-dispersive X-ray spectroscopy mapping (EDX-mapping), transmission electron microscopy (TEM), and Fourier Transform Infrared Spectroscopy (FTIR)) were the analyses techniques used to support the successful synthesis of Fe-SBA-15 and G/β-PbO2 anode. The optimum values obtained for pH, electrolysis time, current density, and 2,4-DNP concentration were 5.0, 60.0 min, 5.0 mA/cm2, and 50.0 mg/L, respectively. The experimental removal efficiencies of 2,4-DNP, COD, and TOC using 3D/SEC-Fe-SBA-15 process, under the mentioned conditions, were obtained to be 96.3%, 88.28%, and 83.82%, respectively. In addition, the AOS value was developed from −0.29 to + 0.88; this indicates the high mineralization of 2,4-DNP and improvement of the solution biodegradability. Detecting the intermediates produced during the degradation process was done by LC-MS analysis, and pathways for its degradation was proposed. Results were indicative of the high potential of the 3D/SEC-Fe-SBA-15 process for treating wastewater containing phenolic compounds, e.g., 2,4-DNP, and can provide acceptable efficiency.
نوع سند : | مقاله |
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زبان سند : | انگلیسی |
نویسنده اول : | عبداله درگاهی |
نویسنده : | هادی رحیم زاده |
نویسنده مسئول : | مهدی وثوقی |
نویسنده : | سیداحمد مختاری |
ضریب تاثیر و نمایه مجلات: | IF: 5.165 Indexed in: ISI, Scopus, DOAJ |
کلیدواژه ها (انگلیسی): | 2, 4-Dinitrophenol (2 4-DNP) , 3D/SEC process , Fe/SBA-15 particle electrodes , Degradation pathway , Real wastewater Taguchi method |
موضوعات : | WA بهداشت عمومي > WA 30 بهداشت محيط WA بهداشت عمومي > WA 30 بهداشت محيط |
بخش های دانشگاهی : | دانشکده بهداشت > گروه بهداشت محیط |
کد شناسایی : | 15482 |
ارائه شده توسط : | دکتر مهدی وثوقی نیری |
ارائه شده در تاریخ : | 17 اردبهشت 1401 12:33 |
آخرین تغییر : | 17 اردبهشت 1401 12:33 |
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